What is the Besturn X40 carbon canister assembly?

1 Answers
DiHector
07/30/25 7:57am
Besturn X40 carbon canister is actually part of the Evaporative Emission Control System (EVAP), which was introduced to prevent fuel vapors from escaping into the atmosphere after the engine stops running. After the engine is turned off, gasoline vapors mix with fresh air in the canister and are stored in the activated carbon canister. When the engine starts, the solenoid valve installed between the activated carbon canister and the intake manifold opens, and the gasoline vapors in the activated carbon canister are drawn into the cylinders by the vacuum in the intake pipe along with clean air for combustion. This not only reduces emissions but also lowers fuel consumption. Since activated carbon has adsorption capabilities, when the vehicle is running or turned off, gasoline vapors from the fuel tank enter the upper part of the activated carbon canister through pipelines, while fresh air enters from the lower part of the activated carbon canister. After the engine is turned off, gasoline vapors mix with fresh air in the canister and are stored in the activated carbon canister. When the engine starts, the solenoid valve of the fuel evaporation purification device installed between the activated carbon canister and the intake manifold opens, and the gasoline vapors in the activated carbon canister are drawn into the intake manifold for combustion.
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